HCI Fitness Proteus PAR-5500 Commercial Club Series Rowing Machine Commercial-grade rowing machine with both air and magnetic resistance systems Combines "on the water" feel of air resistance with strength and smoothness of magnetic resistance Comfortable ergo seat with underside seat rollers for exceptional gliding Oversized, easy-to-read LCD display panel with 16 resistance levels 280-pound capacity; measures 96 x 31 x 19 inches (W x H x D); weighs 100 pounds